Inventor and founder of basketball. Partial hand-addressed YMCA mailing envelope, postmarked February 6, 1919, addressed by Naismith to his wife, “Mrs. Jas. Naismith, 1635 Mass St., Lawrence, Kansas, U. S. A.,” and signed in the return address area, “Naismith.” Consignor indicates envelope is from the Naismith family estate. In fine condition, with missing lower portion and left edge, resulting in trivial paper loss to opening stroke of return address signature. Auction LOA Steve Grad/PSA/DNA and R&R COA.